Cable fastener



FIG. 1 is a perspective front, bottom, and right side view of a cable fastener, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof, the right side view is a mirror image;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof. 

CLAIM The ornamental design for a cable fastener, as shown and described. 